barry mitchell caught up with penn jillette. >> for his first trick, penn jillette will saw a man in half. we are midtown manhattan, they have an incredible harry houdini museum. why was houdini important in your life? >> houdini was important in my life because he changed halfway through his career from being known mostly as a magician or an escape artist, as you see the straight jacket here, to being known mostly as a skeptic. he became someone who spoke against people who talked to people from the dead, pretended to talk to the dead. also, arguably, you know, the first modern celebrity. as far as fame is concerned. if you look at the 20th century. famous figure, elvis or houdini. >> is magic mostly -- psychology? >> mostly gaffer and lying. once you get through the gaffer and lying there is some psychology involved, yeah. this is the standing liberty half dollar. standing liberty half dollar. which i will give you just like this. and see? it stays there. that's the amazing thing about our universe. >> watch it really close. see it there? quite a bit of weight. a silver coin. >> it